0' THIS PROGRAM IS CALLED ROD, AUTHOR UNKNOWN
2 KEY OFF
3 ON ERROR GOTO 1000
5 CLS
10 SCREEN 1,0
20 FOR W=3 TO 50
30 FOR I=1 TO 19
40 FOR J=0 TO 19
50 K=I+J
55 IX=I*8
60 IX8=IX+8
70 IY=I*5
80 KX=K*8
90 KY=K*5
100 IY5=IY+5
110 KX8=KX+8
120 KY5=KY+5
130 COL= (J*3/(I+3)+I*W/12) MOD 8
150 COL=COL MOD 4
160 LINE(IX,KY)-(IX8,KY5),COL,BF
170 LINE(KX,IY)-(KX8,IY5),COL,BF
180 LINE(319-IX,199-KY)-(319-IX8,199-KY5),COL,BF
190 LINE(319-KX,199-IY)-(319-KX8,199-IY5),COL,BF
195 LINE(KX,199-IY)-(KX8,199-IY5),COL,BF
196 LINE(319-IX,KY)-(319-IX8,KY5),COL,BF
197 LINE(IX,199-KY)-(IX8,199-KY5),COL,BF
198 LINE(319-KX,IY)-(319-KX8,IY5),COL,BF
240 NEXT J,I
250 NEXT W
260 GOTO 1030
1000 KEY ON:CLS:RESUME 1010
1010 PRINT " ERROR ";ERR;" HAS OCCURED IN LINE # ";ERL
1020 PRINT "THIS PROGRAM REQUIRES BASICA AND THE COLOR GRAPHICS ADAPTOR "
1030 END
